biology 105 ivy tech community college questions w
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biology 105 Ivy Tech Community College
metric system - ANS-a system of measurement based on the number 10
What is the basic mesurment of length (Distance) - ANS-Meter
What is the basic mesurment of mass (Weight) - ANS-Gram
What is the basic mesurment of volume (Soild) - ANS-Cubic centimeter
Displacement Vessel - ANS-to determine the volume of the irregularly shaped objects
Mesurment of volume (liquid) - ANS-Liter
graduated cylinder - ANS-instrument used to measure volume of a liquid
serological pipette - ANS-Used to measure medium-small volumes of liquids
Micropipette - ANS-A small collection tube that holds an exact amount of fluid. It is often
used in capillary punctures
Certified Glassware - ANS-Certified ware is calibrated to Class A specification
Class A glassware is said to be.... - ANS-Accurately calibrated to deliver the amount
stated on the vessel
Glass B Glassware - ANS-Class B glassware is generally calibrated at twice the
tolerence of class A glass ware
no marking - ANS-General all purpose glassways is unmarked
A solution consists of a ____________ which dissolves the ____________. -
ANS-solvent, Solute
aqueous solution - ANS-a solution in which the solvent is water
Dissociation - ANS-the separation of ions that occurs when an ionic compound
dissolves
, What is the pH of a neutral solution? - ANS-the pH of a neutral solution is 7
What pH is acidic? - ANS-less than 7
What Ph is a base or alkaline - ANS-More than 7
Buffers - ANS-weak acids or bases that can react with strong acids or bases to prevent
sharp, sudden changes in pH
buffering range - ANS-pH range in which the buffer can be effective
Acidosis - ANS-excessive acidity of body fluids
Alkalosis - ANS-The buildup of excess base (lack of acids) in the body fluids.
The pH indicator(s) - ANS-incorporated into the medium to allow changes in pH to be
observed as color changes to the medium.
pH paper/strips - ANS-Chemical reactions cchanges the color of thee detector. False
positives are possible. Must have accurate color perception.
Anthocyanins - ANS-reflect blue and purple
What is the Benedict's test? - ANS-test to indicate reducing sugars. reduces all
monosaccharides and some disaccharides.
Lugol Iodine Test - ANS-Test for Starch
What test do you use to identify lipids - ANS-Sudan IV
What is the test for protines - ANS-Biuret test
Base - ANS-Provides support for the microscope
Ilumminator - ANS-Light source
Voltage Regulator - ANS-controls light intensity
Condenser - ANS-focuses light through the specimen
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